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98
dot_oh-my-zsh/plugins/aws/README.md
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dot_oh-my-zsh/plugins/aws/README.md
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# aws
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This plugin provides completion support for [awscli v2](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/index.html)
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and a few utilities to manage AWS profiles/regions and display them in the prompt.
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[awscli v1](https://docs.aws.amazon.com/cli/latest/userguide/cliv2-migration.html) is no longer supported.
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To use it, add `aws` to the plugins array in your zshrc file.
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```zsh
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plugins=(... aws)
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```
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## Plugin commands
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* `asp [<profile>]`: sets `$AWS_PROFILE` and `$AWS_DEFAULT_PROFILE` (legacy) to `<profile>`.
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It also sets `$AWS_EB_PROFILE` to `<profile>` for the Elastic Beanstalk CLI. It sets `$AWS_PROFILE_REGION` for display in `aws_prompt_info`.
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Run `asp` without arguments to clear the profile.
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* `asp [<profile>] login`: If AWS SSO has been configured in your aws profile, it will run the `aws sso login` command following profile selection.
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* `asp [<profile>] login [<sso_session>]`: In addition to `asp [<profile>] login`, if SSO session has been configured in your aws profile, it will run the `aws sso login --sso-session <sso_session>` command following profile selection.
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* `asp [<profile>] logout`: If AWS SSO has been configured in your aws profile, it will run the `aws sso logout` command following profile selection.
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* `asr [<region>]`: sets `$AWS_REGION` and `$AWS_DEFAULT_REGION` (legacy) to `<region>`.
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Run `asr` without arguments to clear the profile.
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* `acp [<profile>] [<mfa_token>]`: in addition to `asp` functionality, it actually changes
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the profile by assuming the role specified in the `<profile>` configuration. It supports
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MFA and sets `$AWS_ACCESS_KEY_ID`, `$AWS_SECRET_ACCESS_KEY` and `$AWS_SESSION_TOKEN`, if
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obtained. It requires the roles to be configured as per the
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[official guide](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-role.html).
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Run `acp` without arguments to clear the profile.
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* `agp`: gets the current value of `$AWS_PROFILE`.
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* `agr`: gets the current value of `$AWS_REGION`.
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* `aws_change_access_key`: changes the AWS access key of a profile.
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* `aws_profiles`: lists the available profiles in the `$AWS_CONFIG_FILE` (default: `~/.aws/config`).
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Used to provide completion for the `asp` function.
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* `aws_regions`: lists the available regions.
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Used to provide completion for the `asr` function.
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## Plugin options
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* Set `SHOW_AWS_PROMPT=false` in your zshrc file if you want to prevent the plugin from modifying your RPROMPT.
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Some themes might overwrite the value of RPROMPT instead of appending to it, so they'll need to be fixed to
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see the AWS profile/region prompt.
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* Set `AWS_PROFILE_STATE_ENABLED=true` in your zshrc file if you want the aws profile to persist between shell sessions.
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This option might slow down your shell startup time.
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By default the state file path is `/tmp/.aws_current_profile`. This means that the state won't survive a reboot or otherwise GC.
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You can control the state file path using the `AWS_STATE_FILE` environment variable.
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## Theme
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The plugin creates an `aws_prompt_info` function that you can use in your theme, which displays
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the current `$AWS_PROFILE` and `$AWS_REGION`. It uses four variables to control how that is shown:
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* ZSH_THEME_AWS_PROFILE_PREFIX: sets the prefix of the AWS_PROFILE. Defaults to `<aws:`.
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* ZSH_THEME_AWS_PROFILE_SUFFIX: sets the suffix of the AWS_PROFILE. Defaults to `>`.
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* ZSH_THEME_AWS_REGION_PREFIX: sets the prefix of the AWS_REGION. Defaults to `<region:`.
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* ZSH_THEME_AWS_REGION_SUFFIX: sets the suffix of the AWS_REGION. Defaults to `>`.
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* ZSH_THEME_AWS_DIVIDER: sets the divider between ZSH_THEME_AWS_PROFILE_SUFFIX and ZSH_THEME_AWS_REGION_PREFIX. Defaults to ` ` (single space).
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## Configuration
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[Configuration and credential file settings](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-files.html) by AWS
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### Scenario: IAM roles with a source profile and MFA authentication
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Source profile credentials in `~/.aws/credentials`:
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```ini
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[source-profile-name]
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aws_access_key_id = ...
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aws_secret_access_key = ...
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```
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Role configuration in `~/.aws/config`:
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```ini
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[profile source-profile-name]
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mfa_serial = arn:aws:iam::111111111111:mfa/myuser
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region = us-east-1
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output = json
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[profile profile-with-role]
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role_arn = arn:aws:iam::9999999999999:role/myrole
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mfa_serial = arn:aws:iam::111111111111:mfa/myuser
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source_profile = source-profile-name
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region = us-east-1
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output = json
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```
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338
dot_oh-my-zsh/plugins/aws/aws.plugin.zsh
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338
dot_oh-my-zsh/plugins/aws/aws.plugin.zsh
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function agp() {
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echo $AWS_PROFILE
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}
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function agr() {
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echo $AWS_REGION
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}
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# Update state file if enabled
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function _aws_update_state() {
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if [[ "$AWS_PROFILE_STATE_ENABLED" == true ]]; then
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test -d $(dirname ${AWS_STATE_FILE}) || exit 1
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echo "${AWS_PROFILE} ${AWS_REGION}" > "${AWS_STATE_FILE}"
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fi
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}
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function _aws_clear_state() {
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if [[ "$AWS_PROFILE_STATE_ENABLED" == true ]]; then
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test -d $(dirname ${AWS_STATE_FILE}) || exit 1
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echo -n > "${AWS_STATE_FILE}"
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fi
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}
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# AWS profile selection
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function asp() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE AWS_PROFILE_REGION
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_aws_clear_state
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echo AWS profile cleared.
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return
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fi
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local -a available_profiles
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available_profiles=($(aws_profiles))
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if [[ -z "${available_profiles[(r)$1]}" ]]; then
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echo "${fg[red]}Profile '$1' not found in '${AWS_CONFIG_FILE:-$HOME/.aws/config}'" >&2
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echo "Available profiles: ${(j:, :)available_profiles:-no profiles found}${reset_color}" >&2
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return 1
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fi
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export AWS_DEFAULT_PROFILE=$1
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export AWS_PROFILE=$1
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export AWS_EB_PROFILE=$1
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export AWS_PROFILE_REGION=$(aws configure get region)
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_aws_update_state
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if [[ "$2" == "login" ]]; then
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if [[ -n "$3" ]]; then
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aws sso login --sso-session $3
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else
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aws sso login
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fi
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elif [[ "$2" == "logout" ]]; then
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aws sso logout
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fi
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}
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# AWS region selection
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function asr() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_REGION AWS_REGION
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_aws_update_state
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echo AWS region cleared.
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return
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fi
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local -a available_regions
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available_regions=($(aws_regions))
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if [[ -z "${available_regions[(r)$1]}" ]]; then
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echo "${fg[red]}Available regions: \n$(aws_regions)"
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return 1
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fi
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export AWS_REGION=$1
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export AWS_DEFAULT_REGION=$1
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_aws_update_state
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}
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# AWS profile switch
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function acp() {
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if [[ -z "$1" ]]; then
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unset AWS_DEFAULT_PROFILE AWS_PROFILE AWS_EB_PROFILE
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unset AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN
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echo AWS profile cleared.
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return
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fi
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local -a available_profiles
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available_profiles=($(aws_profiles))
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if [[ -z "${available_profiles[(r)$1]}" ]]; then
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echo "${fg[red]}Profile '$1' not found in '${AWS_CONFIG_FILE:-$HOME/.aws/config}'" >&2
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echo "Available profiles: ${(j:, :)available_profiles:-no profiles found}${reset_color}" >&2
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return 1
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fi
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local profile="$1"
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local mfa_token="$2"
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# Get fallback credentials for if the aws command fails or no command is run
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local aws_access_key_id="$(aws configure get aws_access_key_id --profile $profile)"
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local aws_secret_access_key="$(aws configure get aws_secret_access_key --profile $profile)"
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local aws_session_token="$(aws configure get aws_session_token --profile $profile)"
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# First, if the profile has MFA configured, lets get the token and session duration
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local mfa_serial="$(aws configure get mfa_serial --profile $profile)"
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local sess_duration="$(aws configure get duration_seconds --profile $profile)"
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if [[ -n "$mfa_serial" ]]; then
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local -a mfa_opt
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if [[ -z "$mfa_token" ]]; then
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echo -n "Please enter your MFA token for $mfa_serial: "
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read -r mfa_token
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fi
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if [[ -z "$sess_duration" ]]; then
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echo -n "Please enter the session duration in seconds (900-43200; default: 3600, which is the default maximum for a role): "
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read -r sess_duration
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fi
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mfa_opt=(--serial-number "$mfa_serial" --token-code "$mfa_token" --duration-seconds "${sess_duration:-3600}")
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fi
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# Now see whether we need to just MFA for the current role, or assume a different one
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local role_arn="$(aws configure get role_arn --profile $profile)"
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local sess_name="$(aws configure get role_session_name --profile $profile)"
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if [[ -n "$role_arn" ]]; then
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# Means we need to assume a specified role
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aws_command=(aws sts assume-role --role-arn "$role_arn" "${mfa_opt[@]}")
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# Check whether external_id is configured to use while assuming the role
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local external_id="$(aws configure get external_id --profile $profile)"
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if [[ -n "$external_id" ]]; then
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aws_command+=(--external-id "$external_id")
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fi
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# Get source profile to use to assume role
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local source_profile="$(aws configure get source_profile --profile $profile)"
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if [[ -z "$sess_name" ]]; then
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sess_name="${source_profile:-profile}"
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fi
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aws_command+=(--profile="${source_profile:-profile}" --role-session-name "${sess_name}")
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echo "Assuming role $role_arn using profile ${source_profile:-profile}"
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else
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# Means we only need to do MFA
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aws_command=(aws sts get-session-token --profile="$profile" "${mfa_opt[@]}")
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echo "Obtaining session token for profile $profile"
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fi
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# Format output of aws command for easier processing
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aws_command+=(--query '[Credentials.AccessKeyId,Credentials.SecretAccessKey,Credentials.SessionToken]' --output text)
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# Run the aws command to obtain credentials
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local -a credentials
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credentials=(${(ps:\t:)"$(${aws_command[@]})"})
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if [[ -n "$credentials" ]]; then
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aws_access_key_id="${credentials[1]}"
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aws_secret_access_key="${credentials[2]}"
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aws_session_token="${credentials[3]}"
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fi
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# Switch to AWS profile
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if [[ -n "${aws_access_key_id}" && -n "$aws_secret_access_key" ]]; then
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export AWS_DEFAULT_PROFILE="$profile"
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export AWS_PROFILE="$profile"
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export AWS_EB_PROFILE="$profile"
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export AWS_ACCESS_KEY_ID="$aws_access_key_id"
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export AWS_SECRET_ACCESS_KEY="$aws_secret_access_key"
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if [[ -n "$aws_session_token" ]]; then
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export AWS_SESSION_TOKEN="$aws_session_token"
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else
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unset AWS_SESSION_TOKEN
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fi
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echo "Switched to AWS Profile: $profile"
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fi
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}
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function aws_change_access_key() {
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if [[ -z "$1" ]]; then
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echo "usage: $0 <profile>"
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return 1
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fi
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local profile="$1"
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# Get current access key
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local original_aws_access_key_id="$(aws configure get aws_access_key_id --profile $profile)"
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asp "$profile" || return 1
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echo "Generating a new access key pair for you now."
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if aws --no-cli-pager iam create-access-key; then
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echo "Insert the newly generated credentials when asked."
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aws --no-cli-pager configure --profile $profile
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else
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echo "Current access keys:"
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aws --no-cli-pager iam list-access-keys
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echo "Profile \"${profile}\" is currently using the $original_aws_access_key_id key. You can delete an old access key by running \`aws --profile $profile iam delete-access-key --access-key-id AccessKeyId\`"
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return 1
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fi
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read -q "yn?Would you like to disable your previous access key (${original_aws_access_key_id}) now? "
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case $yn in
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[Yy]*)
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echo -n "\nDisabling access key ${original_aws_access_key_id}..."
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if aws --no-cli-pager iam update-access-key --access-key-id ${original_aws_access_key_id} --status Inactive; then
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echo "done."
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else
|
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echo "\nFailed to disable ${original_aws_access_key_id} key."
|
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fi
|
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;;
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*)
|
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echo ""
|
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;;
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esac
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echo "You can now safely delete the old access key by running \`aws --profile $profile iam delete-access-key --access-key-id ${original_aws_access_key_id}\`"
|
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echo "Your current keys are:"
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aws --no-cli-pager iam list-access-keys
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}
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function aws_regions() {
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local region
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if [[ $AWS_DEFAULT_REGION ]];then
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region="$AWS_DEFAULT_REGION"
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elif [[ $AWS_REGION ]];then
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region="$AWS_REGION"
|
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else
|
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region="us-west-1"
|
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fi
|
||||
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if [[ $AWS_DEFAULT_PROFILE || $AWS_PROFILE ]];then
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aws ec2 describe-regions --region $region |grep RegionName | awk -F ':' '{gsub(/"/, "", $2);gsub(/,/, "", $2);gsub(/ /, "", $2); print $2}'
|
||||
else
|
||||
echo "You must specify a AWS profile."
|
||||
fi
|
||||
}
|
||||
|
||||
function aws_profiles() {
|
||||
aws --no-cli-pager configure list-profiles 2> /dev/null && return
|
||||
[[ -r "${AWS_CONFIG_FILE:-$HOME/.aws/config}" ]] || return 1
|
||||
grep --color=never -Eo '\[.*\]' "${AWS_CONFIG_FILE:-$HOME/.aws/config}" | sed -E 's/^[[:space:]]*\[(profile)?[[:space:]]*([^[:space:]]+)\][[:space:]]*$/\2/g'
|
||||
}
|
||||
|
||||
function _aws_regions() {
|
||||
reply=($(aws_regions))
|
||||
}
|
||||
compctl -K _aws_regions asr
|
||||
|
||||
function _aws_profiles() {
|
||||
reply=($(aws_profiles))
|
||||
}
|
||||
compctl -K _aws_profiles asp acp aws_change_access_key
|
||||
|
||||
# AWS prompt
|
||||
function aws_prompt_info() {
|
||||
local _aws_to_show
|
||||
local region="${AWS_REGION:-${AWS_DEFAULT_REGION:-$AWS_PROFILE_REGION}}"
|
||||
|
||||
if [[ -n "$AWS_PROFILE" ]];then
|
||||
_aws_to_show+="${ZSH_THEME_AWS_PROFILE_PREFIX="<aws:"}${AWS_PROFILE}${ZSH_THEME_AWS_PROFILE_SUFFIX=">"}"
|
||||
fi
|
||||
|
||||
if [[ -n "$region" ]]; then
|
||||
[[ -n "$_aws_to_show" ]] && _aws_to_show+="${ZSH_THEME_AWS_DIVIDER=" "}"
|
||||
_aws_to_show+="${ZSH_THEME_AWS_REGION_PREFIX="<region:"}${region}${ZSH_THEME_AWS_REGION_SUFFIX=">"}"
|
||||
fi
|
||||
|
||||
echo "$_aws_to_show"
|
||||
}
|
||||
|
||||
if [[ "$SHOW_AWS_PROMPT" != false && "$RPROMPT" != *'$(aws_prompt_info)'* ]]; then
|
||||
RPROMPT='$(aws_prompt_info)'"$RPROMPT"
|
||||
fi
|
||||
|
||||
if [[ "$AWS_PROFILE_STATE_ENABLED" == true ]]; then
|
||||
AWS_STATE_FILE="${AWS_STATE_FILE:-/tmp/.aws_current_profile}"
|
||||
test -s "${AWS_STATE_FILE}" || return
|
||||
|
||||
aws_state=($(cat $AWS_STATE_FILE))
|
||||
|
||||
export AWS_DEFAULT_PROFILE="${aws_state[1]}"
|
||||
export AWS_PROFILE="$AWS_DEFAULT_PROFILE"
|
||||
export AWS_EB_PROFILE="$AWS_DEFAULT_PROFILE"
|
||||
|
||||
test -z "${aws_state[2]}" && AWS_REGION=$(aws configure get region)
|
||||
|
||||
export AWS_REGION=${AWS_REGION:-$aws_state[2]}
|
||||
export AWS_DEFAULT_REGION="$AWS_REGION"
|
||||
fi
|
||||
|
||||
# Load awscli completions
|
||||
|
||||
# AWS CLI v2 comes with its own autocompletion. Check if that is there, otherwise fall back
|
||||
if command -v aws_completer &> /dev/null; then
|
||||
autoload -Uz bashcompinit && bashcompinit
|
||||
complete -C aws_completer aws
|
||||
else
|
||||
function _awscli-homebrew-installed() {
|
||||
# check if Homebrew is installed
|
||||
(( $+commands[brew] )) || return 1
|
||||
|
||||
# speculatively check default brew prefix
|
||||
if [ -h /usr/local/opt/awscli ]; then
|
||||
_brew_prefix=/usr/local/opt/awscli
|
||||
else
|
||||
# ok, it is not in the default prefix
|
||||
# this call to brew is expensive (about 400 ms), so at least let's make it only once
|
||||
_brew_prefix=$(brew --prefix awscli)
|
||||
fi
|
||||
}
|
||||
|
||||
# get aws_zsh_completer.sh location from $PATH
|
||||
_aws_zsh_completer_path="$commands[aws_zsh_completer.sh]"
|
||||
|
||||
# otherwise check common locations
|
||||
if [[ -z $_aws_zsh_completer_path ]]; then
|
||||
# Homebrew
|
||||
if _awscli-homebrew-installed; then
|
||||
_aws_zsh_completer_path=$_brew_prefix/libexec/bin/aws_zsh_completer.sh
|
||||
# Ubuntu
|
||||
elif [[ -e /usr/share/zsh/vendor-completions/_awscli ]]; then
|
||||
_aws_zsh_completer_path=/usr/share/zsh/vendor-completions/_awscli
|
||||
# NixOS
|
||||
elif [[ -e "${commands[aws]:P:h:h}/share/zsh/site-functions/aws_zsh_completer.sh" ]]; then
|
||||
_aws_zsh_completer_path="${commands[aws]:P:h:h}/share/zsh/site-functions/aws_zsh_completer.sh"
|
||||
# RPM
|
||||
else
|
||||
_aws_zsh_completer_path=/usr/share/zsh/site-functions/aws_zsh_completer.sh
|
||||
fi
|
||||
fi
|
||||
|
||||
[[ -r $_aws_zsh_completer_path ]] && source $_aws_zsh_completer_path
|
||||
unset _aws_zsh_completer_path _brew_prefix
|
||||
fi
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue